Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-47057

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
29/02/2024
Last modified:
19/03/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> crypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map<br /> <br /> In the case where the dma_iv mapping fails, the return error path leaks<br /> the memory allocated to object d. Fix this by adding a new error return<br /> label and jumping to this to ensure d is free&amp;#39;d before the return.<br /> <br /> Addresses-Coverity: ("Resource leak")

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.10 (including) 5.10.37 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11 (including) 5.11.21 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.12 (including) 5.12.4 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools